Reala (pronounced Ree-ah-lah) is a first-level Nightmaren and one of the primary antagonists of the NiGHTS series. Created to be Wizeman's right hand along with NiGHTS, Reala is obedient towards his/her creator and leads the Nightmaren army. Reala and NiGHTS are suggested as siblings, as both are equally skilled in flying and acrobatics. In contrast to NiGHTS' kind and loyal personality, Reala is cruel and insidious. Due to their equal skills and opposing personalities, NiGHTS and Reala are strong rivals.

In Sonic Pinball Party, though Reala never actually appears in person, his/her name can be seen in the character tournament as (s)he competes in the EGG cup, facing off against Shadow and losing to him. His/Her theme song is used for the nightmaren boss battles on the NiGHTS board which Reala appears in as the final Nightmaren.

In Sonic Shuffle, when the date on the Dreamcast is set to April 1, Reala will make a cameo appearance, replacing Lumina as the guide, although the voice will still be Lumina's. Similarly, NiGHTS replaces Lumina when the date is set to December 24.

In Sonic Lost World, Reala appears in the Nightmare Zone bonus stage alongside the other bosses from the original NiGHTS game. Unlike the rest of the bosses, Sonic never confronts Reala directly. Instead Reala traps Sonic in various nightmares through paraloop portals. After the rest of the bosses are defeated, NiGHTS appears and paraloops Reala, freeing Sonic from Wizeman's nightmare.